<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" />
<title>Hours xref</title>
<link type="text/css" rel="stylesheet" href="../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../apidocs/org/goda/time/Hours.html">View Javadoc</a></div><pre>

<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> *  Copyright 2001-2006 Stephen Colebourne</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> *  Licensed under the Apache License, Version 2.0 (the "License");</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> *  you may not use this file except in compliance with the License.</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> *  You may obtain a copy of the License at</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> *      <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> *  Unless required by applicable law or agreed to in writing, software</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> *  distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> *  See the License for the specific language governing permissions and</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> *  limitations under the License.</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.goda.time;
<a name="17" href="#17">17</a>  
<a name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.goda.time.base.BaseSingleFieldPeriod;
<a name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.goda.time.field.FieldUtils;
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.goda.time.format.ISOPeriodFormat;
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.goda.time.format.PeriodFormatter;
<a name="22" href="#22">22</a>  
<a name="23" href="#23">23</a>  <em class="jxr_javadoccomment">/**</em>
<a name="24" href="#24">24</a>  <em class="jxr_javadoccomment"> * An immutable time period representing a number of hours.</em>
<a name="25" href="#25">25</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="26" href="#26">26</a>  <em class="jxr_javadoccomment"> * &lt;code&gt;Hours&lt;/code&gt; is an immutable period that can only store hours.</em>
<a name="27" href="#27">27</a>  <em class="jxr_javadoccomment"> * It does not store years, months or minutes for example. As such it is a</em>
<a name="28" href="#28">28</a>  <em class="jxr_javadoccomment"> * type-safe way of representing a number of hours in an application.</em>
<a name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> * The number of hours is set in the constructor, and may be queried using</em>
<a name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * &lt;code&gt;getHours()&lt;/code&gt;. Basic mathematical operations are provided -</em>
<a name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * &lt;code&gt;plus()&lt;/code&gt;, &lt;code&gt;minus()&lt;/code&gt;, &lt;code&gt;multipliedBy()&lt;/code&gt; and</em>
<a name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * &lt;code&gt;dividedBy()&lt;/code&gt;.</em>
<a name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * &lt;code&gt;Hours&lt;/code&gt; is thread-safe and immutable.</em>
<a name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> *</em>
<a name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * @author Stephen Colebourne</em>
<a name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * @since 1.4</em>
<a name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> */</em>
<a name="40" href="#40">40</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> <strong class="jxr_keyword">extends</strong> <a href="../../../org/goda/time/base/BaseSingleFieldPeriod.html">BaseSingleFieldPeriod</a> {
<a name="41" href="#41">41</a>  
<a name="42" href="#42">42</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing zero hours. */</em>
<a name="43" href="#43">43</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> ZERO = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(0);
<a name="44" href="#44">44</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing one hour. */</em>
<a name="45" href="#45">45</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> ONE = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(1);
<a name="46" href="#46">46</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing two hours. */</em>
<a name="47" href="#47">47</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> TWO = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(2);
<a name="48" href="#48">48</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing three hours. */</em>
<a name="49" href="#49">49</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> THREE = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(3);
<a name="50" href="#50">50</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing four hours. */</em>
<a name="51" href="#51">51</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> FOUR = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(4);
<a name="52" href="#52">52</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing five hours. */</em>
<a name="53" href="#53">53</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> FIVE = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(5);
<a name="54" href="#54">54</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing six hours. */</em>
<a name="55" href="#55">55</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> SIX = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(6);
<a name="56" href="#56">56</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing seven hours. */</em>
<a name="57" href="#57">57</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> SEVEN = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(7);
<a name="58" href="#58">58</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing eight hours. */</em>
<a name="59" href="#59">59</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> EIGHT = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(8);
<a name="60" href="#60">60</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing the maximum number of hours that can be stored in this object. */</em>
<a name="61" href="#61">61</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> MAX_VALUE = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(Integer.MAX_VALUE);
<a name="62" href="#62">62</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant representing the minimum number of hours that can be stored in this object. */</em>
<a name="63" href="#63">63</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> MIN_VALUE = <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(Integer.MIN_VALUE);
<a name="64" href="#64">64</a>  
<a name="65" href="#65">65</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The paser to use for this class. */</em>
<a name="66" href="#66">66</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../org/goda/time/format/PeriodFormatter.html">PeriodFormatter</a> PARSER = ISOPeriodFormat.standard().withParseType(PeriodType.hours());
<a name="67" href="#67">67</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Serialization version. */</em>
<a name="68" href="#68">68</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = 87525275727380864L;
<a name="69" href="#69">69</a>  
<a name="70" href="#70">70</a>      <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="71" href="#71">71</a>      <em class="jxr_javadoccomment">/**</em>
<a name="72" href="#72">72</a>  <em class="jxr_javadoccomment">     * Obtains an instance of &lt;code&gt;Hours&lt;/code&gt; that may be cached.</em>
<a name="73" href="#73">73</a>  <em class="jxr_javadoccomment">     * &lt;code&gt;Hours&lt;/code&gt; is immutable, so instances can be cached and shared.</em>
<a name="74" href="#74">74</a>  <em class="jxr_javadoccomment">     * This factory method provides access to shared instances.</em>
<a name="75" href="#75">75</a>  <em class="jxr_javadoccomment">     *</em>
<a name="76" href="#76">76</a>  <em class="jxr_javadoccomment">     * @param hours  the number of hours to obtain an instance for</em>
<a name="77" href="#77">77</a>  <em class="jxr_javadoccomment">     * @return the instance of Hours</em>
<a name="78" href="#78">78</a>  <em class="jxr_javadoccomment">     */</em>
<a name="79" href="#79">79</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> hours(<strong class="jxr_keyword">int</strong> hours) {
<a name="80" href="#80">80</a>          <strong class="jxr_keyword">switch</strong> (hours) {
<a name="81" href="#81">81</a>              <strong class="jxr_keyword">case</strong> 0:
<a name="82" href="#82">82</a>                  <strong class="jxr_keyword">return</strong> ZERO;
<a name="83" href="#83">83</a>              <strong class="jxr_keyword">case</strong> 1:
<a name="84" href="#84">84</a>                  <strong class="jxr_keyword">return</strong> ONE;
<a name="85" href="#85">85</a>              <strong class="jxr_keyword">case</strong> 2:
<a name="86" href="#86">86</a>                  <strong class="jxr_keyword">return</strong> TWO;
<a name="87" href="#87">87</a>              <strong class="jxr_keyword">case</strong> 3:
<a name="88" href="#88">88</a>                  <strong class="jxr_keyword">return</strong> THREE;
<a name="89" href="#89">89</a>              <strong class="jxr_keyword">case</strong> 4:
<a name="90" href="#90">90</a>                  <strong class="jxr_keyword">return</strong> FOUR;
<a name="91" href="#91">91</a>              <strong class="jxr_keyword">case</strong> 5:
<a name="92" href="#92">92</a>                  <strong class="jxr_keyword">return</strong> FIVE;
<a name="93" href="#93">93</a>              <strong class="jxr_keyword">case</strong> 6:
<a name="94" href="#94">94</a>                  <strong class="jxr_keyword">return</strong> SIX;
<a name="95" href="#95">95</a>              <strong class="jxr_keyword">case</strong> 7:
<a name="96" href="#96">96</a>                  <strong class="jxr_keyword">return</strong> SEVEN;
<a name="97" href="#97">97</a>              <strong class="jxr_keyword">case</strong> 8:
<a name="98" href="#98">98</a>                  <strong class="jxr_keyword">return</strong> EIGHT;
<a name="99" href="#99">99</a>              <strong class="jxr_keyword">case</strong> Integer.MAX_VALUE:
<a name="100" href="#100">100</a>                 <strong class="jxr_keyword">return</strong> MAX_VALUE;
<a name="101" href="#101">101</a>             <strong class="jxr_keyword">case</strong> Integer.MIN_VALUE:
<a name="102" href="#102">102</a>                 <strong class="jxr_keyword">return</strong> MIN_VALUE;
<a name="103" href="#103">103</a>             <strong class="jxr_keyword">default</strong>:
<a name="104" href="#104">104</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(hours);
<a name="105" href="#105">105</a>         }
<a name="106" href="#106">106</a>     }
<a name="107" href="#107">107</a> 
<a name="108" href="#108">108</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="109" href="#109">109</a>     <em class="jxr_javadoccomment">/**</em>
<a name="110" href="#110">110</a> <em class="jxr_javadoccomment">     * Creates a &lt;code&gt;Hours&lt;/code&gt; representing the number of whole hours</em>
<a name="111" href="#111">111</a> <em class="jxr_javadoccomment">     * between the two specified datetimes.</em>
<a name="112" href="#112">112</a> <em class="jxr_javadoccomment">     *</em>
<a name="113" href="#113">113</a> <em class="jxr_javadoccomment">     * @param start  the start instant, must not be null</em>
<a name="114" href="#114">114</a> <em class="jxr_javadoccomment">     * @param end  the end instant, must not be null</em>
<a name="115" href="#115">115</a> <em class="jxr_javadoccomment">     * @return the period in hours</em>
<a name="116" href="#116">116</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the instants are null or invalid</em>
<a name="117" href="#117">117</a> <em class="jxr_javadoccomment">     */</em>
<a name="118" href="#118">118</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> hoursBetween(<a href="../../../org/goda/time/ReadableInstant.html">ReadableInstant</a> start, <a href="../../../org/goda/time/ReadableInstant.html">ReadableInstant</a> end) {
<a name="119" href="#119">119</a>         <strong class="jxr_keyword">int</strong> amount = BaseSingleFieldPeriod.between(start, end, DurationFieldType.hours());
<a name="120" href="#120">120</a>         <strong class="jxr_keyword">return</strong> Hours.hours(amount);
<a name="121" href="#121">121</a>     }
<a name="122" href="#122">122</a> 
<a name="123" href="#123">123</a>     <em class="jxr_javadoccomment">/**</em>
<a name="124" href="#124">124</a> <em class="jxr_javadoccomment">     * Creates a &lt;code&gt;Hours&lt;/code&gt; representing the number of whole hours</em>
<a name="125" href="#125">125</a> <em class="jxr_javadoccomment">     * between the two specified partial datetimes.</em>
<a name="126" href="#126">126</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="127" href="#127">127</a> <em class="jxr_javadoccomment">     * The two partials must contain the same fields, for example you can specify</em>
<a name="128" href="#128">128</a> <em class="jxr_javadoccomment">     * two &lt;code&gt;LocalTime&lt;/code&gt; objects.</em>
<a name="129" href="#129">129</a> <em class="jxr_javadoccomment">     *</em>
<a name="130" href="#130">130</a> <em class="jxr_javadoccomment">     * @param start  the start partial date, must not be null</em>
<a name="131" href="#131">131</a> <em class="jxr_javadoccomment">     * @param end  the end partial date, must not be null</em>
<a name="132" href="#132">132</a> <em class="jxr_javadoccomment">     * @return the period in hours</em>
<a name="133" href="#133">133</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the partials are null or invalid</em>
<a name="134" href="#134">134</a> <em class="jxr_javadoccomment">     */</em>
<a name="135" href="#135">135</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> hoursBetween(<a href="../../../org/goda/time/ReadablePartial.html">ReadablePartial</a> start, <a href="../../../org/goda/time/ReadablePartial.html">ReadablePartial</a> end) {
<a name="136" href="#136">136</a>         <strong class="jxr_keyword">if</strong> (start instanceof LocalTime &amp;&amp; end instanceof LocalTime)   {
<a name="137" href="#137">137</a>             <a href="../../../org/goda/time/Chronology.html">Chronology</a> chrono = DateTimeUtils.getChronology(start.getChronology());
<a name="138" href="#138">138</a>             <strong class="jxr_keyword">int</strong> hours = chrono.hours().getDifference(
<a name="139" href="#139">139</a>                     ((<a href="../../../org/goda/time/LocalTime.html">LocalTime</a>) end).getLocalMillis(), ((LocalTime) start).getLocalMillis());
<a name="140" href="#140">140</a>             <strong class="jxr_keyword">return</strong> Hours.hours(hours);
<a name="141" href="#141">141</a>         }
<a name="142" href="#142">142</a>         <strong class="jxr_keyword">int</strong> amount = BaseSingleFieldPeriod.between(start, end, ZERO);
<a name="143" href="#143">143</a>         <strong class="jxr_keyword">return</strong> Hours.hours(amount);
<a name="144" href="#144">144</a>     }
<a name="145" href="#145">145</a> 
<a name="146" href="#146">146</a>     <em class="jxr_javadoccomment">/**</em>
<a name="147" href="#147">147</a> <em class="jxr_javadoccomment">     * Creates a &lt;code&gt;Hours&lt;/code&gt; representing the number of whole hours</em>
<a name="148" href="#148">148</a> <em class="jxr_javadoccomment">     * in the specified interval.</em>
<a name="149" href="#149">149</a> <em class="jxr_javadoccomment">     *</em>
<a name="150" href="#150">150</a> <em class="jxr_javadoccomment">     * @param interval  the interval to extract hours from, null returns zero</em>
<a name="151" href="#151">151</a> <em class="jxr_javadoccomment">     * @return the period in hours</em>
<a name="152" href="#152">152</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the partials are null or invalid</em>
<a name="153" href="#153">153</a> <em class="jxr_javadoccomment">     */</em>
<a name="154" href="#154">154</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> hoursIn(<a href="../../../org/goda/time/ReadableInterval.html">ReadableInterval</a> interval) {
<a name="155" href="#155">155</a>         <strong class="jxr_keyword">if</strong> (interval == <strong class="jxr_keyword">null</strong>)   {
<a name="156" href="#156">156</a>             <strong class="jxr_keyword">return</strong> Hours.ZERO;
<a name="157" href="#157">157</a>         }
<a name="158" href="#158">158</a>         <strong class="jxr_keyword">int</strong> amount = BaseSingleFieldPeriod.between(interval.getStart(), interval.getEnd(), DurationFieldType.hours());
<a name="159" href="#159">159</a>         <strong class="jxr_keyword">return</strong> Hours.hours(amount);
<a name="160" href="#160">160</a>     }
<a name="161" href="#161">161</a> 
<a name="162" href="#162">162</a>     <em class="jxr_javadoccomment">/**</em>
<a name="163" href="#163">163</a> <em class="jxr_javadoccomment">     * Creates a new &lt;code&gt;Hours&lt;/code&gt; representing the number of complete</em>
<a name="164" href="#164">164</a> <em class="jxr_javadoccomment">     * standard length hours in the specified period.</em>
<a name="165" href="#165">165</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="166" href="#166">166</a> <em class="jxr_javadoccomment">     * This factory method converts all fields from the period to hours using standardised</em>
<a name="167" href="#167">167</a> <em class="jxr_javadoccomment">     * durations for each field. Only those fields which have a precise duration in</em>
<a name="168" href="#168">168</a> <em class="jxr_javadoccomment">     * the ISO UTC chronology can be converted.</em>
<a name="169" href="#169">169</a> <em class="jxr_javadoccomment">     * &lt;ul&gt;</em>
<a name="170" href="#170">170</a> <em class="jxr_javadoccomment">     * &lt;li&gt;One week consists of 7 days.</em>
<a name="171" href="#171">171</a> <em class="jxr_javadoccomment">     * &lt;li&gt;One day consists of 24 hours.</em>
<a name="172" href="#172">172</a> <em class="jxr_javadoccomment">     * &lt;li&gt;One hour consists of 60 minutes.</em>
<a name="173" href="#173">173</a> <em class="jxr_javadoccomment">     * &lt;li&gt;One minute consists of 60 seconds.</em>
<a name="174" href="#174">174</a> <em class="jxr_javadoccomment">     * &lt;li&gt;One second consists of 1000 milliseconds.</em>
<a name="175" href="#175">175</a> <em class="jxr_javadoccomment">     * &lt;/ul&gt;</em>
<a name="176" href="#176">176</a> <em class="jxr_javadoccomment">     * Months and Years are imprecise and periods containing these values cannot be converted.</em>
<a name="177" href="#177">177</a> <em class="jxr_javadoccomment">     *</em>
<a name="178" href="#178">178</a> <em class="jxr_javadoccomment">     * @param period  the period to get the number of hours from, null returns zero</em>
<a name="179" href="#179">179</a> <em class="jxr_javadoccomment">     * @return the period in hours</em>
<a name="180" href="#180">180</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the period contains imprecise duration values</em>
<a name="181" href="#181">181</a> <em class="jxr_javadoccomment">     */</em>
<a name="182" href="#182">182</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> standardHoursIn(<a href="../../../org/goda/time/ReadablePeriod.html">ReadablePeriod</a> period) {
<a name="183" href="#183">183</a>         <strong class="jxr_keyword">int</strong> amount = BaseSingleFieldPeriod.standardPeriodIn(period, DateTimeConstants.MILLIS_PER_HOUR);
<a name="184" href="#184">184</a>         <strong class="jxr_keyword">return</strong> Hours.hours(amount);
<a name="185" href="#185">185</a>     }
<a name="186" href="#186">186</a> 
<a name="187" href="#187">187</a>     <em class="jxr_javadoccomment">/**</em>
<a name="188" href="#188">188</a> <em class="jxr_javadoccomment">     * Creates a new &lt;code&gt;Hours&lt;/code&gt; by parsing a string in the ISO8601 format 'PTnH'.</em>
<a name="189" href="#189">189</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="190" href="#190">190</a> <em class="jxr_javadoccomment">     * The parse will accept the full ISO syntax of PnYnMnWnDTnHnMnS however only the</em>
<a name="191" href="#191">191</a> <em class="jxr_javadoccomment">     * hours component may be non-zero. If any other component is non-zero, an exception</em>
<a name="192" href="#192">192</a> <em class="jxr_javadoccomment">     * will be thrown.</em>
<a name="193" href="#193">193</a> <em class="jxr_javadoccomment">     *</em>
<a name="194" href="#194">194</a> <em class="jxr_javadoccomment">     * @param periodStr  the period string, null returns zero</em>
<a name="195" href="#195">195</a> <em class="jxr_javadoccomment">     * @return the period in hours</em>
<a name="196" href="#196">196</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the string format is invalid</em>
<a name="197" href="#197">197</a> <em class="jxr_javadoccomment">     */</em>
<a name="198" href="#198">198</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> parseHours(String periodStr) {
<a name="199" href="#199">199</a>         <strong class="jxr_keyword">if</strong> (periodStr == <strong class="jxr_keyword">null</strong>) {
<a name="200" href="#200">200</a>             <strong class="jxr_keyword">return</strong> Hours.ZERO;
<a name="201" href="#201">201</a>         }
<a name="202" href="#202">202</a>         <a href="../../../org/goda/time/Period.html">Period</a> p = PARSER.parsePeriod(periodStr);
<a name="203" href="#203">203</a>         <strong class="jxr_keyword">return</strong> Hours.hours(p.getHours());
<a name="204" href="#204">204</a>     }
<a name="205" href="#205">205</a> 
<a name="206" href="#206">206</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="207" href="#207">207</a>     <em class="jxr_javadoccomment">/**</em>
<a name="208" href="#208">208</a> <em class="jxr_javadoccomment">     * Creates a new instance representing a number of hours.</em>
<a name="209" href="#209">209</a> <em class="jxr_javadoccomment">     * You should consider using the factory method {@link #hours(int)}</em>
<a name="210" href="#210">210</a> <em class="jxr_javadoccomment">     * instead of the constructor.</em>
<a name="211" href="#211">211</a> <em class="jxr_javadoccomment">     *</em>
<a name="212" href="#212">212</a> <em class="jxr_javadoccomment">     * @param hours  the number of hours to represent</em>
<a name="213" href="#213">213</a> <em class="jxr_javadoccomment">     */</em>
<a name="214" href="#214">214</a>     <strong class="jxr_keyword">private</strong> <a href="../../../org/goda/time/Hours.html">Hours</a>(<strong class="jxr_keyword">int</strong> hours) {
<a name="215" href="#215">215</a>         <strong class="jxr_keyword">super</strong>(hours);
<a name="216" href="#216">216</a>     }
<a name="217" href="#217">217</a> 
<a name="218" href="#218">218</a>     <em class="jxr_javadoccomment">/**</em>
<a name="219" href="#219">219</a> <em class="jxr_javadoccomment">     * Resolves singletons.</em>
<a name="220" href="#220">220</a> <em class="jxr_javadoccomment">     * </em>
<a name="221" href="#221">221</a> <em class="jxr_javadoccomment">     * @return the singleton instance</em>
<a name="222" href="#222">222</a> <em class="jxr_javadoccomment">     */</em>
<a name="223" href="#223">223</a>     <strong class="jxr_keyword">private</strong> Object readResolve() {
<a name="224" href="#224">224</a>         <strong class="jxr_keyword">return</strong> Hours.hours(getValue());
<a name="225" href="#225">225</a>     }
<a name="226" href="#226">226</a> 
<a name="227" href="#227">227</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="228" href="#228">228</a>     <em class="jxr_javadoccomment">/**</em>
<a name="229" href="#229">229</a> <em class="jxr_javadoccomment">     * Gets the duration field type, which is &lt;code&gt;hours&lt;/code&gt;.</em>
<a name="230" href="#230">230</a> <em class="jxr_javadoccomment">     *</em>
<a name="231" href="#231">231</a> <em class="jxr_javadoccomment">     * @return the period type</em>
<a name="232" href="#232">232</a> <em class="jxr_javadoccomment">     */</em>
<a name="233" href="#233">233</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/DurationFieldType.html">DurationFieldType</a> getFieldType() {
<a name="234" href="#234">234</a>         <strong class="jxr_keyword">return</strong> DurationFieldType.hours();
<a name="235" href="#235">235</a>     }
<a name="236" href="#236">236</a> 
<a name="237" href="#237">237</a>     <em class="jxr_javadoccomment">/**</em>
<a name="238" href="#238">238</a> <em class="jxr_javadoccomment">     * Gets the period type, which is &lt;code&gt;hours&lt;/code&gt;.</em>
<a name="239" href="#239">239</a> <em class="jxr_javadoccomment">     *</em>
<a name="240" href="#240">240</a> <em class="jxr_javadoccomment">     * @return the period type</em>
<a name="241" href="#241">241</a> <em class="jxr_javadoccomment">     */</em>
<a name="242" href="#242">242</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/PeriodType.html">PeriodType</a> getPeriodType() {
<a name="243" href="#243">243</a>         <strong class="jxr_keyword">return</strong> PeriodType.hours();
<a name="244" href="#244">244</a>     }
<a name="245" href="#245">245</a> 
<a name="246" href="#246">246</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="247" href="#247">247</a>     <em class="jxr_javadoccomment">/**</em>
<a name="248" href="#248">248</a> <em class="jxr_javadoccomment">     * Converts this period in hours to a period in weeks assuming a</em>
<a name="249" href="#249">249</a> <em class="jxr_javadoccomment">     * 7 day week and 24 hour day.</em>
<a name="250" href="#250">250</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="251" href="#251">251</a> <em class="jxr_javadoccomment">     * This method allows you to convert between different types of period.</em>
<a name="252" href="#252">252</a> <em class="jxr_javadoccomment">     * However to achieve this it makes the assumption that all weeks are 7 days</em>
<a name="253" href="#253">253</a> <em class="jxr_javadoccomment">     * long and all days are 24 hours long.</em>
<a name="254" href="#254">254</a> <em class="jxr_javadoccomment">     * This is not true when daylight savings time is considered, and may also</em>
<a name="255" href="#255">255</a> <em class="jxr_javadoccomment">     * not be true for some unusual chronologies. However, it is included as it</em>
<a name="256" href="#256">256</a> <em class="jxr_javadoccomment">     * is a useful operation for many applications and business rules.</em>
<a name="257" href="#257">257</a> <em class="jxr_javadoccomment">     * </em>
<a name="258" href="#258">258</a> <em class="jxr_javadoccomment">     * @return a period representing the number of whole weeks for this number of hours</em>
<a name="259" href="#259">259</a> <em class="jxr_javadoccomment">     */</em>
<a name="260" href="#260">260</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Weeks.html">Weeks</a> toStandardWeeks() {
<a name="261" href="#261">261</a>         <strong class="jxr_keyword">return</strong> Weeks.weeks(getValue() / DateTimeConstants.HOURS_PER_WEEK);
<a name="262" href="#262">262</a>     }
<a name="263" href="#263">263</a> 
<a name="264" href="#264">264</a>     <em class="jxr_javadoccomment">/**</em>
<a name="265" href="#265">265</a> <em class="jxr_javadoccomment">     * Converts this period in hours to a period in days assuming a</em>
<a name="266" href="#266">266</a> <em class="jxr_javadoccomment">     * 24 hour day.</em>
<a name="267" href="#267">267</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="268" href="#268">268</a> <em class="jxr_javadoccomment">     * This method allows you to convert between different types of period.</em>
<a name="269" href="#269">269</a> <em class="jxr_javadoccomment">     * However to achieve this it makes the assumption that all days are 24 hours long.</em>
<a name="270" href="#270">270</a> <em class="jxr_javadoccomment">     * This is not true when daylight savings time is considered, and may also</em>
<a name="271" href="#271">271</a> <em class="jxr_javadoccomment">     * not be true for some unusual chronologies. However, it is included as it</em>
<a name="272" href="#272">272</a> <em class="jxr_javadoccomment">     * is a useful operation for many applications and business rules.</em>
<a name="273" href="#273">273</a> <em class="jxr_javadoccomment">     * </em>
<a name="274" href="#274">274</a> <em class="jxr_javadoccomment">     * @return a period representing the number of whole days for this number of hours</em>
<a name="275" href="#275">275</a> <em class="jxr_javadoccomment">     */</em>
<a name="276" href="#276">276</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Days.html">Days</a> toStandardDays() {
<a name="277" href="#277">277</a>         <strong class="jxr_keyword">return</strong> Days.days(getValue() / DateTimeConstants.HOURS_PER_DAY);
<a name="278" href="#278">278</a>     }
<a name="279" href="#279">279</a> 
<a name="280" href="#280">280</a>     <em class="jxr_javadoccomment">/**</em>
<a name="281" href="#281">281</a> <em class="jxr_javadoccomment">     * Converts this period in hours to a period in minutes assuming a</em>
<a name="282" href="#282">282</a> <em class="jxr_javadoccomment">     * 60 minute hour.</em>
<a name="283" href="#283">283</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="284" href="#284">284</a> <em class="jxr_javadoccomment">     * This method allows you to convert between different types of period.</em>
<a name="285" href="#285">285</a> <em class="jxr_javadoccomment">     * However to achieve this it makes the assumption that all hours are 60 minutes long.</em>
<a name="286" href="#286">286</a> <em class="jxr_javadoccomment">     * This may not be true for some unusual chronologies. However, it is included</em>
<a name="287" href="#287">287</a> <em class="jxr_javadoccomment">     * as it is a useful operation for many applications and business rules.</em>
<a name="288" href="#288">288</a> <em class="jxr_javadoccomment">     * </em>
<a name="289" href="#289">289</a> <em class="jxr_javadoccomment">     * @return a period representing the number of minutes for this number of hours</em>
<a name="290" href="#290">290</a> <em class="jxr_javadoccomment">     * @throws ArithmeticException if the number of minutes is too large to be represented</em>
<a name="291" href="#291">291</a> <em class="jxr_javadoccomment">     */</em>
<a name="292" href="#292">292</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Minutes.html">Minutes</a> toStandardMinutes() {
<a name="293" href="#293">293</a>         <strong class="jxr_keyword">return</strong> Minutes.minutes(FieldUtils.safeMultiply(getValue(), DateTimeConstants.MINUTES_PER_HOUR));
<a name="294" href="#294">294</a>     }
<a name="295" href="#295">295</a> 
<a name="296" href="#296">296</a>     <em class="jxr_javadoccomment">/**</em>
<a name="297" href="#297">297</a> <em class="jxr_javadoccomment">     * Converts this period in hours to a period in seconds assuming a</em>
<a name="298" href="#298">298</a> <em class="jxr_javadoccomment">     * 60 minute hour and 60 second minute.</em>
<a name="299" href="#299">299</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="300" href="#300">300</a> <em class="jxr_javadoccomment">     * This method allows you to convert between different types of period.</em>
<a name="301" href="#301">301</a> <em class="jxr_javadoccomment">     * However to achieve this it makes the assumption that all hours are</em>
<a name="302" href="#302">302</a> <em class="jxr_javadoccomment">     * 60 minutes long and all minutes are 60 seconds long.</em>
<a name="303" href="#303">303</a> <em class="jxr_javadoccomment">     * This may not be true for some unusual chronologies. However, it is included</em>
<a name="304" href="#304">304</a> <em class="jxr_javadoccomment">     * as it is a useful operation for many applications and business rules.</em>
<a name="305" href="#305">305</a> <em class="jxr_javadoccomment">     * </em>
<a name="306" href="#306">306</a> <em class="jxr_javadoccomment">     * @return a period representing the number of seconds for this number of hours</em>
<a name="307" href="#307">307</a> <em class="jxr_javadoccomment">     * @throws ArithmeticException if the number of seconds is too large to be represented</em>
<a name="308" href="#308">308</a> <em class="jxr_javadoccomment">     */</em>
<a name="309" href="#309">309</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Seconds.html">Seconds</a> toStandardSeconds() {
<a name="310" href="#310">310</a>         <strong class="jxr_keyword">return</strong> Seconds.seconds(FieldUtils.safeMultiply(getValue(), DateTimeConstants.SECONDS_PER_HOUR));
<a name="311" href="#311">311</a>     }
<a name="312" href="#312">312</a> 
<a name="313" href="#313">313</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="314" href="#314">314</a>     <em class="jxr_javadoccomment">/**</em>
<a name="315" href="#315">315</a> <em class="jxr_javadoccomment">     * Converts this period in hours to a duration in milliseconds assuming a</em>
<a name="316" href="#316">316</a> <em class="jxr_javadoccomment">     * 60 minute hour and 60 second minute.</em>
<a name="317" href="#317">317</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="318" href="#318">318</a> <em class="jxr_javadoccomment">     * This method allows you to convert from a period to a duration.</em>
<a name="319" href="#319">319</a> <em class="jxr_javadoccomment">     * However to achieve this it makes the assumption that all hours are</em>
<a name="320" href="#320">320</a> <em class="jxr_javadoccomment">     * 60 minutes and all minutes are 60 seconds. This might not be true for an</em>
<a name="321" href="#321">321</a> <em class="jxr_javadoccomment">     * unusual chronology, for example one that takes leap seconds into account.</em>
<a name="322" href="#322">322</a> <em class="jxr_javadoccomment">     * However, the method is included as it is a useful operation for many</em>
<a name="323" href="#323">323</a> <em class="jxr_javadoccomment">     * applications and business rules.</em>
<a name="324" href="#324">324</a> <em class="jxr_javadoccomment">     *</em>
<a name="325" href="#325">325</a> <em class="jxr_javadoccomment">     * @return a duration equivalent to this number of hours</em>
<a name="326" href="#326">326</a> <em class="jxr_javadoccomment">     */</em>
<a name="327" href="#327">327</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Duration.html">Duration</a> toStandardDuration() {
<a name="328" href="#328">328</a>         <strong class="jxr_keyword">long</strong> hours = getValue();  <em class="jxr_comment">// assign to a long</em>
<a name="329" href="#329">329</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../org/goda/time/Duration.html">Duration</a>(hours * DateTimeConstants.MILLIS_PER_HOUR);
<a name="330" href="#330">330</a>     }
<a name="331" href="#331">331</a> 
<a name="332" href="#332">332</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="333" href="#333">333</a>     <em class="jxr_javadoccomment">/**</em>
<a name="334" href="#334">334</a> <em class="jxr_javadoccomment">     * Gets the number of hours that this period represents.</em>
<a name="335" href="#335">335</a> <em class="jxr_javadoccomment">     *</em>
<a name="336" href="#336">336</a> <em class="jxr_javadoccomment">     * @return the number of hours in the period</em>
<a name="337" href="#337">337</a> <em class="jxr_javadoccomment">     */</em>
<a name="338" href="#338">338</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getHours() {
<a name="339" href="#339">339</a>         <strong class="jxr_keyword">return</strong> getValue();
<a name="340" href="#340">340</a>     }
<a name="341" href="#341">341</a> 
<a name="342" href="#342">342</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="343" href="#343">343</a>     <em class="jxr_javadoccomment">/**</em>
<a name="344" href="#344">344</a> <em class="jxr_javadoccomment">     * Returns a new instance with the specified number of hours added.</em>
<a name="345" href="#345">345</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="346" href="#346">346</a> <em class="jxr_javadoccomment">     * This instance is immutable and unaffected by this method call.</em>
<a name="347" href="#347">347</a> <em class="jxr_javadoccomment">     *</em>
<a name="348" href="#348">348</a> <em class="jxr_javadoccomment">     * @param hours  the amount of hours to add, may be negative</em>
<a name="349" href="#349">349</a> <em class="jxr_javadoccomment">     * @return the new period plus the specified number of hours</em>
<a name="350" href="#350">350</a> <em class="jxr_javadoccomment">     * @throws ArithmeticException if the result overflows an int</em>
<a name="351" href="#351">351</a> <em class="jxr_javadoccomment">     */</em>
<a name="352" href="#352">352</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> plus(<strong class="jxr_keyword">int</strong> hours) {
<a name="353" href="#353">353</a>         <strong class="jxr_keyword">if</strong> (hours == 0) {
<a name="354" href="#354">354</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a name="355" href="#355">355</a>         }
<a name="356" href="#356">356</a>         <strong class="jxr_keyword">return</strong> Hours.hours(FieldUtils.safeAdd(getValue(), hours));
<a name="357" href="#357">357</a>     }
<a name="358" href="#358">358</a> 
<a name="359" href="#359">359</a>     <em class="jxr_javadoccomment">/**</em>
<a name="360" href="#360">360</a> <em class="jxr_javadoccomment">     * Returns a new instance with the specified number of hours added.</em>
<a name="361" href="#361">361</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="362" href="#362">362</a> <em class="jxr_javadoccomment">     * This instance is immutable and unaffected by this method call.</em>
<a name="363" href="#363">363</a> <em class="jxr_javadoccomment">     *</em>
<a name="364" href="#364">364</a> <em class="jxr_javadoccomment">     * @param hours  the amount of hours to add, may be negative, null means zero</em>
<a name="365" href="#365">365</a> <em class="jxr_javadoccomment">     * @return the new period plus the specified number of hours</em>
<a name="366" href="#366">366</a> <em class="jxr_javadoccomment">     * @throws ArithmeticException if the result overflows an int</em>
<a name="367" href="#367">367</a> <em class="jxr_javadoccomment">     */</em>
<a name="368" href="#368">368</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> plus(<a href="../../../org/goda/time/Hours.html">Hours</a> hours) {
<a name="369" href="#369">369</a>         <strong class="jxr_keyword">if</strong> (hours == <strong class="jxr_keyword">null</strong>) {
<a name="370" href="#370">370</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a name="371" href="#371">371</a>         }
<a name="372" href="#372">372</a>         <strong class="jxr_keyword">return</strong> plus(hours.getValue());
<a name="373" href="#373">373</a>     }
<a name="374" href="#374">374</a> 
<a name="375" href="#375">375</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="376" href="#376">376</a>     <em class="jxr_javadoccomment">/**</em>
<a name="377" href="#377">377</a> <em class="jxr_javadoccomment">     * Returns a new instance with the specified number of hours taken away.</em>
<a name="378" href="#378">378</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="379" href="#379">379</a> <em class="jxr_javadoccomment">     * This instance is immutable and unaffected by this method call.</em>
<a name="380" href="#380">380</a> <em class="jxr_javadoccomment">     *</em>
<a name="381" href="#381">381</a> <em class="jxr_javadoccomment">     * @param hours  the amount of hours to take away, may be negative</em>
<a name="382" href="#382">382</a> <em class="jxr_javadoccomment">     * @return the new period minus the specified number of hours</em>
<a name="383" href="#383">383</a> <em class="jxr_javadoccomment">     * @throws ArithmeticException if the result overflows an int</em>
<a name="384" href="#384">384</a> <em class="jxr_javadoccomment">     */</em>
<a name="385" href="#385">385</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> minus(<strong class="jxr_keyword">int</strong> hours) {
<a name="386" href="#386">386</a>         <strong class="jxr_keyword">return</strong> plus(FieldUtils.safeNegate(hours));
<a name="387" href="#387">387</a>     }
<a name="388" href="#388">388</a> 
<a name="389" href="#389">389</a>     <em class="jxr_javadoccomment">/**</em>
<a name="390" href="#390">390</a> <em class="jxr_javadoccomment">     * Returns a new instance with the specified number of hours taken away.</em>
<a name="391" href="#391">391</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="392" href="#392">392</a> <em class="jxr_javadoccomment">     * This instance is immutable and unaffected by this method call.</em>
<a name="393" href="#393">393</a> <em class="jxr_javadoccomment">     *</em>
<a name="394" href="#394">394</a> <em class="jxr_javadoccomment">     * @param hours  the amount of hours to take away, may be negative, null means zero</em>
<a name="395" href="#395">395</a> <em class="jxr_javadoccomment">     * @return the new period minus the specified number of hours</em>
<a name="396" href="#396">396</a> <em class="jxr_javadoccomment">     * @throws ArithmeticException if the result overflows an int</em>
<a name="397" href="#397">397</a> <em class="jxr_javadoccomment">     */</em>
<a name="398" href="#398">398</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> minus(<a href="../../../org/goda/time/Hours.html">Hours</a> hours) {
<a name="399" href="#399">399</a>         <strong class="jxr_keyword">if</strong> (hours == <strong class="jxr_keyword">null</strong>) {
<a name="400" href="#400">400</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a name="401" href="#401">401</a>         }
<a name="402" href="#402">402</a>         <strong class="jxr_keyword">return</strong> minus(hours.getValue());
<a name="403" href="#403">403</a>     }
<a name="404" href="#404">404</a> 
<a name="405" href="#405">405</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="406" href="#406">406</a>     <em class="jxr_javadoccomment">/**</em>
<a name="407" href="#407">407</a> <em class="jxr_javadoccomment">     * Returns a new instance with the hours multiplied by the specified scalar.</em>
<a name="408" href="#408">408</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="409" href="#409">409</a> <em class="jxr_javadoccomment">     * This instance is immutable and unaffected by this method call.</em>
<a name="410" href="#410">410</a> <em class="jxr_javadoccomment">     *</em>
<a name="411" href="#411">411</a> <em class="jxr_javadoccomment">     * @param scalar  the amount to multiply by, may be negative</em>
<a name="412" href="#412">412</a> <em class="jxr_javadoccomment">     * @return the new period multiplied by the specified scalar</em>
<a name="413" href="#413">413</a> <em class="jxr_javadoccomment">     * @throws ArithmeticException if the result overflows an int</em>
<a name="414" href="#414">414</a> <em class="jxr_javadoccomment">     */</em>
<a name="415" href="#415">415</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> multipliedBy(<strong class="jxr_keyword">int</strong> scalar) {
<a name="416" href="#416">416</a>         <strong class="jxr_keyword">return</strong> Hours.hours(FieldUtils.safeMultiply(getValue(), scalar));
<a name="417" href="#417">417</a>     }
<a name="418" href="#418">418</a> 
<a name="419" href="#419">419</a>     <em class="jxr_javadoccomment">/**</em>
<a name="420" href="#420">420</a> <em class="jxr_javadoccomment">     * Returns a new instance with the hours divided by the specified divisor.</em>
<a name="421" href="#421">421</a> <em class="jxr_javadoccomment">     * The calculation uses integer division, thus 3 divided by 2 is 1.</em>
<a name="422" href="#422">422</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="423" href="#423">423</a> <em class="jxr_javadoccomment">     * This instance is immutable and unaffected by this method call.</em>
<a name="424" href="#424">424</a> <em class="jxr_javadoccomment">     *</em>
<a name="425" href="#425">425</a> <em class="jxr_javadoccomment">     * @param divisor  the amount to divide by, may be negative</em>
<a name="426" href="#426">426</a> <em class="jxr_javadoccomment">     * @return the new period divided by the specified divisor</em>
<a name="427" href="#427">427</a> <em class="jxr_javadoccomment">     * @throws ArithmeticException if the divisor is zero</em>
<a name="428" href="#428">428</a> <em class="jxr_javadoccomment">     */</em>
<a name="429" href="#429">429</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> dividedBy(<strong class="jxr_keyword">int</strong> divisor) {
<a name="430" href="#430">430</a>         <strong class="jxr_keyword">if</strong> (divisor == 1) {
<a name="431" href="#431">431</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a name="432" href="#432">432</a>         }
<a name="433" href="#433">433</a>         <strong class="jxr_keyword">return</strong> Hours.hours(getValue() / divisor);
<a name="434" href="#434">434</a>     }
<a name="435" href="#435">435</a> 
<a name="436" href="#436">436</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="437" href="#437">437</a>     <em class="jxr_javadoccomment">/**</em>
<a name="438" href="#438">438</a> <em class="jxr_javadoccomment">     * Returns a new instance with the hours value negated.</em>
<a name="439" href="#439">439</a> <em class="jxr_javadoccomment">     *</em>
<a name="440" href="#440">440</a> <em class="jxr_javadoccomment">     * @return the new period with a negated value</em>
<a name="441" href="#441">441</a> <em class="jxr_javadoccomment">     * @throws ArithmeticException if the result overflows an int</em>
<a name="442" href="#442">442</a> <em class="jxr_javadoccomment">     */</em>
<a name="443" href="#443">443</a>     <strong class="jxr_keyword">public</strong> <a href="../../../org/goda/time/Hours.html">Hours</a> negated() {
<a name="444" href="#444">444</a>         <strong class="jxr_keyword">return</strong> Hours.hours(FieldUtils.safeNegate(getValue()));
<a name="445" href="#445">445</a>     }
<a name="446" href="#446">446</a> 
<a name="447" href="#447">447</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="448" href="#448">448</a>     <em class="jxr_javadoccomment">/**</em>
<a name="449" href="#449">449</a> <em class="jxr_javadoccomment">     * Is this hours instance greater than the specified number of hours.</em>
<a name="450" href="#450">450</a> <em class="jxr_javadoccomment">     *</em>
<a name="451" href="#451">451</a> <em class="jxr_javadoccomment">     * @param other  the other period, null means zero</em>
<a name="452" href="#452">452</a> <em class="jxr_javadoccomment">     * @return true if this hours instance is greater than the specified one</em>
<a name="453" href="#453">453</a> <em class="jxr_javadoccomment">     */</em>
<a name="454" href="#454">454</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isGreaterThan(<a href="../../../org/goda/time/Hours.html">Hours</a> other) {
<a name="455" href="#455">455</a>         <strong class="jxr_keyword">if</strong> (other == <strong class="jxr_keyword">null</strong>) {
<a name="456" href="#456">456</a>             <strong class="jxr_keyword">return</strong> getValue() &gt; 0;
<a name="457" href="#457">457</a>         }
<a name="458" href="#458">458</a>         <strong class="jxr_keyword">return</strong> getValue() &gt; other.getValue();
<a name="459" href="#459">459</a>     }
<a name="460" href="#460">460</a> 
<a name="461" href="#461">461</a>     <em class="jxr_javadoccomment">/**</em>
<a name="462" href="#462">462</a> <em class="jxr_javadoccomment">     * Is this hours instance less than the specified number of hours.</em>
<a name="463" href="#463">463</a> <em class="jxr_javadoccomment">     *</em>
<a name="464" href="#464">464</a> <em class="jxr_javadoccomment">     * @param other  the other period, null means zero</em>
<a name="465" href="#465">465</a> <em class="jxr_javadoccomment">     * @return true if this hours instance is less than the specified one</em>
<a name="466" href="#466">466</a> <em class="jxr_javadoccomment">     */</em>
<a name="467" href="#467">467</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isLessThan(<a href="../../../org/goda/time/Hours.html">Hours</a> other) {
<a name="468" href="#468">468</a>         <strong class="jxr_keyword">if</strong> (other == <strong class="jxr_keyword">null</strong>) {
<a name="469" href="#469">469</a>             <strong class="jxr_keyword">return</strong> getValue() &lt; 0;
<a name="470" href="#470">470</a>         }
<a name="471" href="#471">471</a>         <strong class="jxr_keyword">return</strong> getValue() &lt; other.getValue();
<a name="472" href="#472">472</a>     }
<a name="473" href="#473">473</a> 
<a name="474" href="#474">474</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="475" href="#475">475</a>     <em class="jxr_javadoccomment">/**</em>
<a name="476" href="#476">476</a> <em class="jxr_javadoccomment">     * Gets this instance as a String in the ISO8601 duration format.</em>
<a name="477" href="#477">477</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="478" href="#478">478</a> <em class="jxr_javadoccomment">     * For example, "PT4H" represents 4 hours.</em>
<a name="479" href="#479">479</a> <em class="jxr_javadoccomment">     *</em>
<a name="480" href="#480">480</a> <em class="jxr_javadoccomment">     * @return the value as an ISO8601 string</em>
<a name="481" href="#481">481</a> <em class="jxr_javadoccomment">     */</em>
<a name="482" href="#482">482</a>     <strong class="jxr_keyword">public</strong> String toString() {
<a name="483" href="#483">483</a>         <strong class="jxr_keyword">return</strong> <span class="jxr_string">"PT"</span> + String.valueOf(getValue()) + <span class="jxr_string">"H"</span>;
<a name="484" href="#484">484</a>     }
<a name="485" href="#485">485</a> 
<a name="486" href="#486">486</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>

